when in reality men who are victims of this often just don’t speak up at all because when they are, they’re either not believed, called “gay” for not enjoying it, or it ends up reported with a headline like “female teacher has sex with male student”.

Yes, that’s how the real world treats male rape victims. This comic is about how fictional misandrists would treat a male robbery victims. Those are two different things. This fiction doesn’t make implications about the situation you described.